#!/usr/bin/python
# -*- coding: utf-8 -*-

# L = [
#     ['Apple', 'Google', 'Microsoft'],
#     ['Java', 'Python', 'Ruby', 'PHP'],
#     ['Adam', 'Bart', 'Lisa']
# ]

# print(L[0][0])

# print(L[1][1])

# print(L[-1][-1])

# age = 5
# if age >= 18:
#     print('adult')
# elif age >= 6:
#     print('teenager')
# else:
#     print('kid')

# s = input('birth:')
# s = int(s)
# if s < 2000:
#     print('00前')
# else: 
#     print('00后')

w = 85.5
h = 1.85
bmi = w/(h*h)
print('bmi=%.1f' %bmi)
if bmi < 18.5:
    print('过轻')
elif bmi <25:
    print('正常')
elif bmi < 28:
    print('过重')
elif bmi < 32:
    print('肥胖')
else:
    print('严重肥胖')